CDC chief: Link between Zika, birth defect 'increasingly certain'

February 11, 2016 3:49 PM

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Evidence of a link between the Zika virus and a serious birth defect is growing stronger by the day, the head of the Centers for Disease Control and Prevention said Thursday, lobbying Congress to approve President Obama’s $1.8 billion request to the fight the rapidly spreading disease at home and abroad.

Authorities in hard-hit Brazil have reported a noted uptick in the number of babies born with abnormally small heads, a conditional known as microcephaly.